package br.com.pesca.filter;

import br.com.pesca.entity.Usuario;
import java.io.IOException;
import javax.faces.application.ResourceHandler;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

public class LoginFilter extends AbstractFilter implements Filter {

    @Override
    public void init(FilterConfig fc) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpSession session = req.getSession();

        if (session.isNew()) {
            doLogin(request, response, req);
            return;
        }

        Usuario usuario = (Usuario) session.getAttribute("user");

        if (usuario == null && !req.getRequestURI().endsWith("/login.xhtml")
                && !req.getRequestURI().startsWith(req.getContextPath() + ResourceHandler.RESOURCE_IDENTIFIER)) {
            doLogin(request, response, req);
            return;
        }

        filterChain.doFilter(request, response);
    }

    @Override
    public void destroy() {

    }

}
